CC=arm-none-eabi-gcc
MACH=cortex-m33
CFLAGS= -c -mcpu=$(MACH) -mthumb -std=gnu11 -Wall -O0 
LFLAGS= -nostdlib -T pico_plus_2.ld -Wl,-Map=final.map

assemble: vectors.o hello_world.o min_arm_image_def.o

vectors.o: vectors.s
	$(CC) $(CFLAGS) -o $@ $^

hello_world.o: hello_world.s
	$(CC) $(CFLAGS) -o $@ $^

min_arm_image_def.o: min_arm_image_def.s
	$(CC) $(CFLAGS) -o $@ $^

hello_world.elf: vectors.o hello_world.o min_arm_image_def.o
	$(CC) $(LFLAGS) -o $@ $^

clean:
	- rm -rf $(wildcard *.o)  
	- rm -rf $(wildcard *.elf) 
	- rm -rf $(wildcard *.map)
	
link: hello_world.elf

PHONY: flash
flash:
	sudo openocd -s tcl -f interface/cmsis-dap.cfg -f target/rp2350.cfg -c "adapter speed 5000" -c "program hello_world.elf verify reset exit"